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Dell Rugged Pro 14 (RB14250) - Linux suspend Issue
BIOS Version BIOS 1.11.1 released on 11 Dec 2025 Operating Systems Fedora 43 Ubuntu ...
reMarkable 2 vs reMarkable Paper Pro - Screen Comparison
Left: reMarkable 2 Right: reMarkable Paper Pro (max backlight) Left: reMarkable 2 Right...
Fedora KDE - Suspend Then Hibernate
Introduction On a laptop system, in order to prevent unnecessary battery drain when device i...
Building Kubernetes Cluster (v1.30) with kubeadm
Requirements 4 systems with at least 2GB of RAM 4 systems, each with at least 2 CPU cores Al...
Create private Docker Registry (TLS + authentication)
All below commands invoked as user root. Prepare folder structure mkdir -p /root/{auth,cert...
Debian/Ubuntu - Reconfigure Console Font
Install Necessary Package If you want to make console (terminal) font bigger, try fonts-termin...
Proxmox Notes
Disable/Enable virtual machine automatic startup qm set <VMID> --onboot [ 0 | 1 ] Shutdown...
DHCP Operations
TCP Handshake Sequence
Comments Step 2 ACK=1 increased (from 0 to 1) because of SYN=1 in Step 1. Step 3 SE...
Managing SAS Disks in Linux
Removing type 1 protection Some HGST/Oracle/Sun drives report Type 1 DIF protection. smartc...
SAS Disk - SCSI Command Timer in Linux
When read or write SCSI command isn't able to complete, Linux kernel reports this type of messa...
UDEV rule - Disable SATA/SAS Disk Write Cache
Creating udev rule that disables disk write cache for specific drive models. Requirements: ...
Installing and Running RHEL9 on QNAP TS-i410X
If you experience kernel panic when launching RHEL9 installer or booting RHEL9 kernel, you...
Linux - Disable internal system speaker
Symptoms System beeps on tab-completion Certain operations in VI/VIM will activate soun...
Linux - CPU Mitigations
Disabling various CPU vulnerability mitigations This can be done kernel bootable parameters....
Full Text Search in NextCloud
NextCloud - Enable fulltextsearch in UI Fixing issue where (for some unknown reason) NC got...
Linux/Firefox and Intel GPU acceleration
Instructions for Fedora 39 Packages to remove libswscale-free Enable Free and Non-...
Calculate battery's Watt hours (Wh) and charging speed (W)
Calculate Battery's Watt hours Wh=( mAh / 1000 ) × V For example, battery with capacity of ...
UPS in Linux with apcupsd
apcupsd - a daemon for controlling most APC UPSes Facts Configuration file /etc/apcu...
GNOME3 - Enable Fractional Display Scaling
Run this command in the terminal. gsettings set org.gnome.mutter experimental-features "['sca...